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authorJörg Frings-Fürst <debian@jff-webhosting.net>2020-08-24 18:45:55 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2020-08-24 18:45:55 +0200
commita77bc1fcbdf83cfdac9570c0a0ac886b5534c90f (patch)
treed839746371ecb8ed64ac81d2e37c11fcd25a00ac /backend/genesys/buffer.h
parent787fb1d54ec9ee5fb941ae897fb201feb9cb2fd1 (diff)
parent2b3e02411ecc09e7d41741b5587655c9b2f955b7 (diff)
Merge branch 'feature/upstream' into develop
Diffstat (limited to 'backend/genesys/buffer.h')
-rw-r--r--backend/genesys/buffer.h89
1 files changed, 0 insertions, 89 deletions
diff --git a/backend/genesys/buffer.h b/backend/genesys/buffer.h
deleted file mode 100644
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--- a/backend/genesys/buffer.h
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@@ -1,89 +0,0 @@
-/* sane - Scanner Access Now Easy.
-
- Copyright (C) 2019 Povilas Kanapickas <povilas@radix.lt>
-
- This file is part of the SANE package.
-
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
-
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA.
-
- As a special exception, the authors of SANE give permission for
- additional uses of the libraries contained in this release of SANE.
-
- The exception is that, if you link a SANE library with other files
- to produce an executable, this does not by itself cause the
- resulting executable to be covered by the GNU General Public
- License. Your use of that executable is in no way restricted on
- account of linking the SANE library code into it.
-
- This exception does not, however, invalidate any other reasons why
- the executable file might be covered by the GNU General Public
- License.
-
- If you submit changes to SANE to the maintainers to be included in
- a subsequent release, you agree by submitting the changes that
- those changes may be distributed with this exception intact.
-
- If you write modifications of your own for SANE, it is your choice
- whether to permit this exception to apply to your modifications.
- If you do not wish that, delete this exception notice.
-*/
-
-#ifndef BACKEND_GENESYS_BUFFER_H
-#define BACKEND_GENESYS_BUFFER_H
-
-#include <vector>
-#include <cstddef>
-#include <cstdint>
-
-namespace genesys {
-
-/* A FIFO buffer. Note, that this is _not_ a ringbuffer.
- if we need a block which does not fit at the end of our available data,
- we move the available data to the beginning.
-*/
-struct Genesys_Buffer
-{
- Genesys_Buffer() = default;
-
- std::size_t size() const { return buffer_.size(); }
- std::size_t avail() const { return avail_; }
- std::size_t pos() const { return pos_; }
-
- // TODO: refactor code that uses this function to no longer use it
- void set_pos(std::size_t pos) { pos_ = pos; }
-
- void alloc(std::size_t size);
- void clear();
-
- void reset();
-
- std::uint8_t* get_write_pos(std::size_t size);
- std::uint8_t* get_read_pos(); // TODO: mark as const
-
- void produce(std::size_t size);
- void consume(std::size_t size);
-
-private:
- std::vector<std::uint8_t> buffer_;
- // current position in read buffer
- std::size_t pos_ = 0;
- // data bytes currently in buffer
- std::size_t avail_ = 0;
-};
-
-} // namespace genesys
-
-#endif // BACKEND_GENESYS_BUFFER_H